If anyone wants to get into some of the obscure history niches, see the book Ignition!: An informal history of liquid rocket propellants (ISBN13: 9780813507255):

* https://www.goodreads.com/book/show/677285.Ignition_

It's not about rockets in general, but about rocket fuel specifically. It's the "#1 Best Seller in Petroleum (Engineering)" category:

* https://www.amazon.com/Ignition-Informal-History-Liquid-Prop...